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. Author manuscript; available in PMC: 2017 Feb 28.
Published in final edited form as: Psychiatry Res. 2016 Jan 8;248:110–118. doi: 10.1016/j.pscychresns.2016.01.001

Table 1.

Demographic characteristics and task behavior of the study sample

Cocaine
Females
(n=14)
Cocaine
Males
(n=14)
Control
Females
(n=11)
Control
Males
(n=14)
Effect P
Age, y Diagnosis 0.04
44±2 44±1 40±3 40±1 Sex 0.97
Diagnosis × Sex 0.94

Race, No. African-American/Caucasian/Hispanic Diagnosis 0.08
12/2/0 12/2/0 9/1/1 10/1/3 Sex 0.65
Diagnosis × Sex --

Education, y Diagnosis 0.08
13±0 13±0 14±1 14±0 Sex 0.39
Diagnosis × Sex 0.69

Socioeconomic Status: Hollingshead Index Diagnosis 0.21
33±2 33±3 38±6 36±3 Sex 0.84
Diagnosis × Sex 0.80

Verbal IQ: Wide Range Achievement Test III –
Reading Scale
Diagnosis 0.82
96±5 94±3 97±3 95±3 Sex 0.53
Diagnosis × Sex 0.87

Nonverbal IQ: Wechsler Abbreviated Scale of Intelligence –
Matrix Reasoning Scale
Diagnosis 0.09
9±1 9±1 11±1 10±1 Sex 0.47
Diagnosis × Sex 0.65

Depressive Symptoms: Beck Depression Inventory II Diagnosis 0.005
5±1 5±1 2±1 3±1 Sex 0.60
Diagnosis × Sex 0.47

Task Behavior: Average Correct a 50¢: 17±1 16±1 15±1 16±1 Diagnosis 0.65
0¢: 16±1 15±1 14±1 14±1 Sex 0.19
50¢>0¢: 1±1 1±1 1±1 2±1 Diagnosis × Sex 0.19

Task Behavior: RT Correct (ms) a 50¢: 256±4 258±4 275±5 263±5 Diagnosis 0.92
0¢: 254±5 260±4 266±6 272±6 Sex 0.01
50¢>0¢: 2±4 −2±3 10±5 −9±5 Diagnosis × Sex 0.09

Craving: Cocaine Wanting (Task>Baseline) a,b Task: 1.4±0.6 1.6±0.7 0.0±0.0 0.0±0.0 Diagnosis 0.009
Baseline: 0.7±0.4 1.5±0.7 0.2±0.2 0.2±0.2 Sex 0.26
Task>Baseline: 0.7±0.5 −0.1±0.1 −0.2±0.2 −0.2±0.2 Diagnosis × Sex 0.07

Values are frequencies or means + standard error of the mean (SEM) unless otherwise specified;

a

Analysis of covariance on the differentials (50¢>0¢ or Task>Baseline), controlling for age and BDI scores;

b

One outlier (cocaine dependent male) was removed from this analysis (Cook’s d>1).